4056118639 has 2 divisors, whose sum is σ = 4056118640. Its totient is φ = 4056118638.

The previous prime is 4056118631. The next prime is 4056118681. The reversal of 4056118639 is 9368116504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4056118639 - 2³ = 4056118631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4056118595 and 4056118604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4056118631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028059319 + 2028059320.

It is an arithmetic number, because the mean of its divisors is an integer number (2028059320).

Almost surely, 2^4056118639 is an apocalyptic number.

4056118639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4056118639 is an equidigital number, since it uses as much as digits as its factorization.

4056118639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 4056118639 is about 63687.6647318772. The cubic root of 4056118639 is about 1594.7901689030.

The spelling of 4056118639 in words is "four billion, fifty-six million, one hundred eighteen thousand, six hundred thirty-nine".